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    I am in need of a skilled engineer to design and develop an off-board charger for my e-bike. The charger should be designed for an input voltage of 220V and should be capable of outputting 48V to charge the e-bike. It should also incorporate key safety features: - Short circuit protection - Overheating protection - Overcharge protection The ideal freelancer for this project should have an extensive background in electrical engineering and practical experience in designing and developing off-board chargers for e-bikes. Proficiency in safety standard protocols is also necessary. You should also understand and implement the necessary regulations and standards related to designing e-bike chargers.

    €124 (Avg Bid)
    €124 Oferta promedio
    12 ofertas

    ...following specifications: Input Voltage: 20 to 30V Output Voltage: Adjustable from 35 to 52V Current: Support up to 8A Specific Requirements: Maximum Voltage Adjustment: The board must include a method for adjusting the maximum output voltage limit. Current Limit Adjustment: Implementation of a system for adjusting the current limit through a 0 to 3.3V input signal, where 3.3V corresponds to the maximum limit of 8A. Shunt Resistor and OPAMP: Incorporation of a shunt resistor with OPAMP, including potentiometers for fine calibration. On/Off Function: The board should allow the option to switch between input voltage (off) and amplified output voltage (on), controlled via the shunt resistor. Automatic Voltage Control: Ability to automatica...

    €244 (Avg Bid)
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    2 ofertas

    ...Find best suited sensors for our needs (suggestions supplied) - Develop software for Main controller including 4G communication - Develop RS485 for the main controller to talk to at least 4 sensor boxes each with up to 15 sensors - Develop software for sensor boxes - Develop software for handling data form sensors such as temp, humidity, vibration, sound pressure, diff pressure, water detection, voltage, currency. - APIs for secure data storage on the Azure Mysql servercollection. - Effectively managing periodic data collection functions. - Be proficient in vibration analysis, freq, Spectrum, FFT etc. (Research and guides provided) - Provide PCB design files for final production, once prototype have been approved Your experience designing and prototyping professional-grade elec...

    €1380 - €2761
    Sellado Acuerdo de Confidencialidad
    €1380 - €2761
    28 ofertas

    ...bar capable of carrying 1000 Amps DC used to connect various electrical components. Key requirements include: - Bus Bar Material: The prime material for the bus bar should be copper due to its excellent conductivity. - Connective Capability: The bus bar's prime role is to serve as a conduit to connect different electrical devices. It must be expertly designed to efficiently distribute high voltage. - Heat Resistance: Given the high current passage, the bus bar should withstand high-temperature conditions without any compromise on performance and safety. I am keen on working with someone who can bring significant practical command of electrical system design and material science. Proficiency in conducting rigorous testing for extreme conditions, specifically heat resista...

    €124 (Avg Bid)
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    6 ofertas

    ...small-sized custom Printed Circuit Board (PCB) with integrated ESP32 and DRV8833 motor control drivers and 18650 rechargeable bttery. - PCB Size: The PCB should be small-sized, built with quality and precision, and space-efficient. - Motor Control: It needs to control a DC Motor using DRV8833 motor driver, ensuring optimal performance and minimal signal interference. - Voltage Range: The PCB should be designed to handle an input voltage of 5V, ensuring it's safe and efficient. - Battery: The design should incorporate a rechargeable battery without compromising the compact size. The ideal candidate should have proficient skills and experience in PCB design, electrical engineering, and ESP32 integration. Knowledge of motor drivers and familiarity with power-efficient...

    €142 (Avg Bid)
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    30 ofertas

    I'm on the hunt for a skilled and experienced Matlab developer to create a real-time simulation of a multi-agent system in a low voltage (LV) hybrid microgrid. The system will consist of important components including a Photovoltaic (PV), wind turbine, diesel generator, load, batteries, and local grid. Key Factors: - Optimization: The project requires real-time optimization programming for energy consumption across all components of the hybrid microgrid. The successful freelancer will need to demonstrate proficient knowledge in optimization techniques and knowledge about using MACSIM, JADE and MATLAB Simulink. - Simulation Elements: The simulation should be able to demonstrate energy consumption in real-time for a more dynamic and interactive scenario. - Competencies: Interest...

    €252 (Avg Bid)
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    5 ofertas

    I require assistance for an issue I'm experiencing with an Arduino library for BQ34110. I've managed to get most of it up and running but I'm struggling with reading the Firmware Version and Device Type. I know I need to read 0xFFA5 from the co...assistance for an issue I'm experiencing with an Arduino library for BQ34110. I've managed to get most of it up and running but I'm struggling with reading the Firmware Version and Device Type. I know I need to read 0xFFA5 from the command register first, but I only receive 0xFFFF then when I try to read the firmware version it returns 0xFFFF If I try to read other parameters such as device name, voltage, current etc... it works. I read in the datasheet that Device Type and Firmware Version are the only 2 r...

    €14 (Avg Bid)
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    I'm in need of a power electronics designer, proficient in designing power efficient modules for industrial environments. I'm working with an EC200U 4G module that runs on 3.8VDC, along with other peripherals that require 3.3V. The input power for the system lies in the range of 12-18 VDC. The power management circuit designed should: - Regulate Voltage: Ensure the voltage received by the EC200U module and peripherals is maintained precisely at their required levels. - Provide Battery Backup: Ensuring constant supply of power to the 4G module even when the main power source is unavailable. When main power is available, the battery should be charged and system is power from main power. Suitable candidates should have prior experience working with power electroni...

    €16 (Avg Bid)
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    I want to migrate a specific C# application to Xcode for MacOS Sonoma (14.4). This app is responsible for controlling a programmable DC Power Supply and this functionality must be maintained in the new version. Key Requirements: - The interface should emulate the layout of the current C# app - Must preserve the specific voltage/current settings from the original application Ideal Skills: Freelancer(s) will have a proven background in both C# and Xcode, with a focus on porting between platforms while maintaining functionality. Knowledge of programming for DC Power Supply control via the built-in UART would be a huge plus. The ability to recreate specific layout designs in Xcode is also crucial.

    €190 (Avg Bid)
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    This is an in-person role working in the facility. This is a contract role that can last a minimum of 2 weeks and up to 6 months with the possibility of permanent placement. Mechanical Design Engineer – Low Voltage Position Overview: This position develops custom solutions that are used in a multitude of industries. Each project takes an idea from concept to design, to production. Responsibilities include creating, updating, and releasing mechanical drawing packages for assigned projects in compliance with customer and industry specifications. In this function you will: Develop and update mechanical approval drawings based on design reviews and customer comments. Develop and release mechanical manufacturing drawings inclusive of sheet metal fabrication details (flat patte...

    €35 / hr (Avg Bid)
    Local
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    Project Overview: We are seeking freelance professionals to conduct a concise and precise analysis report on the grid codes concerning the connection of photovoltaic installations to both low voltage (LV) and high voltage (HV) grids, categorized by surface and power, whether ground-mounted or rooftop, across several European countries. The countries of interest are Poland, Bulgaria, Germany, Spain, Italy, Croatia, Serbia, Czech Republic, and Slovakia. Additionally, we require the creation of an Excel table summarizing the collected data for all these countries. Scope of Work: Conduct an in-depth analysis of the grid codes and regulations pertaining to the connection of photovoltaic installations to both LV and HV grids, characterized by surface and power categories. Identify...

    €115 (Avg Bid)
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    I need a skilled and experienced PCB designer who will focus specifically on product development for consumer electronics. This project involves a moderate level of complexity as it requires a standard multilayer PCB. The tasks expected to be conducted are as follows: - Mainly taking up PCB de...involvement in circuit design An ideal freelancer would have prior experience working with PCB designs in the consumer electronics field. Expediency, precision and a keen eye for detail are vital as the developed prototype will directly contribute to a physical product. The project is a signal converter and i can attach a video of its funtion. Due to my limited software i need to add 2 more ICs: A voltage regulator and a bandpass filter at the highlighted area at the end of the attached vid...

    €33 (Avg Bid)
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    ...Throw) low voltage transistor microcircuit. The primary function of this microcircuit is switching between two circuits, not to amplify signals. We need to present a 5.1K GND to one of two GPIO pins on an MCU depending on the state of sensor output that throws a 5V high/low output on one single line Key Project Details: - The circuit should be designed to operate at low power levels to minimize power dissipation. - The preferred material for the transistor is Silicon. Ideal Skills and Experience: - Electronics engineering - Transistor theory - Circuit design and analysis - Experience working with silicon transistors and low voltage systems Your bid will be more competitive if you can provide examples of prior experience designing and building similar silicon-based ...

    €23 (Avg Bid)
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    Design and build a sine wave signal generator. The specifications are as follows: - Sine wave output in the range of 40.0-50.0kHz. User adjustable via potentiometer. - The maximum output voltage 20V. - You select power supply (110VAC 60Hz to DC). - BNC output connector. - 3-digit frequency display (plug into PCB via a socket). Design circuit, create PCB layout and manufacturing files, and arrange for 4 PCBA prototypes to be built and shipped to me in the USA.

    €152 (Avg Bid)
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    I am looking for a professional who can develop a controller for a 24V DC VSD pump and a 24V AC (0-10V) mixing valve. This setup requires an analog voltage control interface (0-10V). The contractor needs to have: - Experience with control system design, particularly with mechanical systems. - Understanding of analog voltage control. - Hands-on experience with the specified pump and valve models. Technical knowledge of these components is key. This project will entail interfacing control systems with the selected hydronic pump and mixing valve models. Prior experience with similar projects is a plus.

    €48 / hr (Avg Bid)
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    ...control panel electrical wiring diagram and bill of materials. While ISO standards are crucial to follow, attention to ISO 1219-1, ISO 9001 and ISO 14617 are necessary for this project. Your design should adhere to our specific requirements and accommodate a top-down arrangement of control elements. The selection of components must be high quality and cost effective. Key Requirements: - Voltage rating - Current capacity - wiring numbering - Number and type of control elements, including 3 phase load balancing - complete bill of materials to be purchased from RS components UK. - I/O of Siemens S7-1200 PLC with HMI - panel layout with push buttons and HMI Please note, I would need the project to be delivered in an editable file format, either in autodesk ...

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    I'm seeking a proficient PCB designer to develop a Wi-Fi rectenna design for the purpose of energy harvesting. The core requirements include: - Proficient skill set in PCB layout and design with a focus on rectenna structures - Understanding of the voltage multiplication to 5V to generate an output between 5V and 12V - Experience with wireless energy transfer, particularly in building Wi-Fi rectennas - Exceptional knowledge of rectifier topologies, specifically voltage multiplication The end goal is to have a Wi-Fi rectenna PCB that efficiently harvests wireless energy. Your expertise in harnessing this unconventional power source will position the project for success.

    €436 (Avg Bid)
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    ...experience with ESP32 microcontroller, to create a circuit capable of measuring line-to-line voltage. This circuit should be crafted with a primary focus on voltage accuracy, especially in the range of 440vac. Key outputs needed from this project are numerical data formats. Your role will involve: - Designing and developing a circuit that can accurately measure line-to-line voltages without a neutral wire - Ensuring that the circuit can measure 440vac voltage accurately - Configuring the circuit to output data in a numerical format Ideal skills for the job: - Extensive experience in circuit design - Proficiency with the ESP32 microcontroller - Demonstrable history of projects focused on voltage measurement or related field - Strong understanding of electr...

    €34 (Avg Bid)
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    I am looking for an electrical engineer with experience in DC-DC converter design to review and optimize my current design. The goal is to improve cost and performance. Key Project Requirements: - Review Capacitance Calculations and Components - Review Inductance Calculations Switching Frequency: 24-60kHz Input Voltage: 200-600V Output Voltage: 48V Output Current: 70A Ideal Skills and Experience: - Deep understanding of DC-DC converters - Experience in cost reduction and performance enhancement - Ability to work effectively under design constraints This is a complex task and therefore, understanding of power electronics is a must. Looking forward to your bids!

    €105 (Avg Bid)
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    ...revamp our existing power supply design. A successful redesign will embody: - Increased Efficiency: We want to maximize the output-to-input power ratio, reducing energy consumption and overall costs. - Smaller Size: To fit into tight spaces, would be nice if the power supply size was reduced without sacrificing performance. Key Technical Requirements: - Voltage Range: The power supply should function optimally across a wide voltage range. - Current Capacity: It must handle varying current demands that come with different electronic devices. - Temperature Range: Operational stability must be maintained across various environmental and load conditions. Proven experience in power supply design within the consumer electronics field is highly advantageous. Knowledge of b...

    €52 / hr (Avg Bid)
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    I need an expert to create a lightweight DLMS/COSEM client with an Arduino UNO. The project's goal is to read all the available smart meter information, specifically focused on energy consumption, voltage levels, and current levels, as well as all OBIS Objects. The developed solution should emphasize real-time display of the data retrieved. Freelancers who have an understanding and experience with Arduino programming, DLMS/COSEM protocol and real-time data handling will be preferred. Familiarity with smart meter data is also a plus. Expectations include: - On-time completion - Clear, well-commented code - Detailed documentation of the project Skills required: - Proficient in Arduino Programming - Understanding of DLMS/COSEM protocol - Knowledge with Real-time data handling ...

    €121 (Avg Bid)
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    I require an expert with extensive experience and knowledge in electronics engineering, specifically inverter design to assist me in creating a high-frequency inverter. The input of this inverter will be 120V 50Hz, and it should output the same voltage but at a frequency of 85kHz. Key Requirements: - Purpose: The primary function of this inverter is frequency control. - Load: The inverter will be connected to a resistive load. - Efficiency: The design should aim for over 90% efficiency. Freelancers with a proven track record in high efficiency inverter designs are highly preferred. This project will require a clear understanding of power electronics principles and the ability to apply that knowledge to create a practical and efficient design solution. Please include examples o...

    €10 / hr (Avg Bid)
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    ...providing both DC for SMAW welding (9-48V, 10-500A) and AC power (15KW, 120 or 240V) for appliances. Required Features: - Utilization of an auto alternator or generator. - 12V or 24V battery system. - Digital or analog inverter - Some form of rheostat control for controlling welding amperage - Considerations for grounding and circuit breakers. - Peak performance at optimal rpms and comprehensive voltage regulation. - Off the shelf components highly desirable, so equipment specifications are more important than exact sourcing - Other than specifications for safe spacing of components, mechanical design is not required. Safety Features: - Overload/overcharge protection. - Short circuit protection. Operator should be able to switch between either welding or AC power with ease. E...

    €559 (Avg Bid)
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    As the client of this project, I am seeking a highly skilled professional to implement a comprehensive low voltage project which includes: • Home security system installation • Audio and video system installation • Network cabling and infrastructure The ideal candidate should have extensive experience in electrical engineering, with a focus on low voltage systems. Top-notch skills in problem-solving, attention to detail, and customer service are also essential. Experience with various brands and models for each of the systems listed above will be a massive bonus. The end result should be a seamlessly integrated system that can run efficiently and hitch-free. Looking forward to the successful implementation of this project.

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    I'm seeking ...Battery management: The solar charge controller needs to maximize the life and capacity of a lithium-ion battery, ensuring efficient energy use. - Light control: It should be programmed to automatically switch on the street lights at dusk and turn them off at dawn. - Overcharge protection: To prevent battery damage, the device should be designed to discontinue charging once the battery is full. - Voltage range: The gadget should function optimally at 12V. Ideal candidates should have experience in the development of solar charge controllers, electronics, power systems, or a related field. Proficiency in battery management techniques and light control systems is also vital. If you have significant experience in lithium-ion battery applications, it will be an a...

    €1331 (Avg Bid)
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    ...microcontroller project, which will need to display voltage and current and include a timer and some software lock. - Screen Variety: The project requires a Graphic LCD with a medium-sized screen of about 5 inches. - Microcontroller: You will need extensive experience with ARM / PIC microcontrollers as this is my preferred chip for the project. - Resolution Requirement: High-quality display is a must for this project. Therefore, the LCD should support a high resolution, greater than 640x480. Ideal Skills: - Solid understanding and hands-on experience with ARM / PIC microcontrollers. - Proven expertise in interface circuit design for LCDs. - Lots of experience in developing power measurement algorithms for displaying current and voltage. - Proficiency in ...

    €276 (Avg Bid)
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    I'm looking to have a bandpass filter designed to select discrete frequencies within the range of 50 Hz to 1200 Hz. The particular use case for this filter will require the signal input voltage range to be 0-5 volts. As for the interface, a rotary switch is preferred for frequency selection. Specifications: - Frequency Range: 50 Hz - 1200 Hz - Voltage Range: 0 - 5 volts - Interface: Rotary switch Ideal Skills and Experience: - Sound understanding of signal processing. - Proficiency in designing and implementing electronic filter circuits. - Prior experience in working with bandpass filters. - Familiarity with rotary switch interfacing. Project completion will require a working prototype or schematic of the design. Please bid if you are confident in meeting these sp...

    €14 (Avg Bid)
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    I am seeking an experienced developer to create a proof of concept that unifies ESP32 with Azure IoT to manage my solar inverter system. Key Requirements: - Build an ESP32 system to gather data from a solar inverter via Modbus through RS485 protocol, including energy production data, voltage levels (0-1000V), current levels (0-100A), solar production, and all further available settings. - Implement the functionality to modify these inverter settings as required. - Develop a mechanism that enables seamless data transfer from the ESP32 system to Microsoft Azure IoT. Ideal Skills and Experience: - Comprehensive knowledge and experience working with ESP32 and Azure IoT. - Expertise in Modbus communication over RS485. - Understanding of solar inverter systems and data protocols. - Pr...

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    ...board and do the communiation ( will discuss more in video session ) So the board should have the following components : 1- ESP32 Devkit board ( as long as the board support WIFI has USB feel free to use it here) 2- DC-DC step up voltage ( MT3608 ) (this is a module you need to stick it to the main board and link its inputs and outputs 3- single Relay (HFE10-2/12-HT-L2) 4- two are port WJ500V-5.08-2P 5- USB of ESP32 DevBoard should be accessible from outside too 6- variable resistor just like on MT3608 , but this one will be to control the input voltage 7- you might need some resistor here or there but it should not be a lot as I already did the design. Diagram will discuss it with you once you get awarded using video conference. Since there are many people h...

    €123 (Avg Bid)
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    ...design a 20A DC (3-6Volt) to 220-450V AC Solid State Relay. The primary purpose of this relay will be to control inductive loads, specifically the inductive load in motors. The primary requirements for the project are as follows: • Experience in designing Solid State Relays. • Profound knowledge of the conversion between DC and AC power. • Ability to create a design that effectively regulates voltage levels. • A keen understanding of the specifics of working with inductive loads, particularly those present in motors. Moderate importance is placed on the minimization of heat generation in your Solid State Relay design. While an effective temperature control in the solid state relay is desired, this factor should not largely compromise the other essential fun...

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    I am looking to have a DCC circuit breaker designed specifically for my model train setups. It must be rated for 12V and have the following features: - Overload Protection: The circuit breaker must safeguard against ex...circuit. - Fault Detection: No mishaps should go unnoticed. The breaker should be able to identify faults in the circuit promptly. Due to the nature of my project revolving around miniature electronic equipment, an understanding and experience working on small-scale electronics would be ideal. A background in railway-oriented electronics would be a bonus, but not a necessity. Deep knowledge in voltage regulation and safety measures on the mentioned gadgets is a must. Skills in creating compact, efficient designs that can fit seamlessly into the model train layout ...

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    Need a person, who can design desktop exe GUI UI/UX only Most important i need this in 48 hours those who can do within this time frame contact me. I have a attached a drawing, 0. Core function slipt screen or popup blocks , ON/OFF , 2. right click the M1,M2,M3,M4, button , pre the set voltages for M1,M2,M3,M4, if press M1, change voltage Time sec , set time , and press start button timer will start. 3. Press settings , there is option show connect device , find device , list if device example like wifi device list .

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    I am looking for a dynamic electrical engineer who is looking for professional growth within the MEP engineering industry. This firm is innovative, progressive, and a leader in the space and they are looking for someone with similar qualities who is looking to bring new ideas to the table and create m...dynamic electrical engineer who is looking for professional growth within the MEP engineering industry. This firm is innovative, progressive, and a leader in the space and they are looking for someone with similar qualities who is looking to bring new ideas to the table and create meaningful projects. Understanding of building electrical distribution, lighting, and telecommunications. Voltage, current, power, voltage drop, cable sizes, conduit size requirements, etc. Nationa...

    €144 (Avg Bid)
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    I am currently in need of a Raspberry Pi GPU and pattern AI solution for a Battery Management System (BMS). Overview of Tasks: Solution - Implement Data analysis - Observe Battery status, temp, charging current, current voltage, battery mode, relative state of charge, remaining/full charge capacity - Integrate Firmware changes in RC FCC V and SBS commands that aid in monitoring unauthorized changes HW integration - Raspberry Pi + CAN/Modbus/RS485/UART integration (from a commercial product) - Circuit design and PCB (for simulation) - Concept architecture design It is crucial that the freelancers on this project have a working understanding of Raspberry Pi GPU and pattern AI solution in data analysis. Familiarity with RC FCC V and SBS commands would also be a strong advantage. R...

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    ...atomic weight of silver and Coulomb. The software or HMI, should run several processes simultaneously including an ammeter, voltmeter, touch screen keys, time remaining clock, current/time integrator, and audible end of run indicator. The current limiter could be changed during a run. The current may be driven by an op-amp. The cell voltage should be at least 10v (based on an electrode separation of 1,5 inches), 28-30v is desirable. This will be accomplished by a voltage multiplier built in into the circuit. Setup should be easy using the touch screen: Touch screen menu or in app choices: • Ma (current): selectable from 1 to 15 in 1 mA steps this will allows the selection of the optimum current for size of the positive electrode (anode). (may have an option to enter ...

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    I am seeking an experienced electrical engineer to design a 12V battery charging circuit specifically for a lead-acid battery. The objective is to develop a design that is efficient and practical to implement. Key Requirements: -THE BUTTON PRESSED FROM THE OUTSIDE WILL PROVIDE 12V OUTPUT TO THE CARD - The input voltage for the charging circuit needs to be 24V. The successful candidate should have a proven track record in circuit design, particularly in chargers for lead-acid batteries. You should demonstrate understanding of safety requirements and efficiency metrics. Skills and Experience: - Expertise in Electronics and Circuit Design. - Understanding of lead-acid battery charging. - Familiarity with testing and validation proceedings. - Knowledge in PCB layout will be a plus...

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    I'm in need of an expert in power electrical engineering, specifically proficient in earthing and grounding systems. The project involves: -finding best optimization Method for my piping line that help me findvbest design for my electrodes in my noden - this Optimized Model should be most cost efficient at the same time stay under limit Voltage The electromagnetic field that forms around electrical wiring systems induces voltages in neighboring metallic infrastructures. Dangerous contact voltages can occur locally in metallic pipelines. In order to reduce the pipeline potential, earthing systems are often used. It must be noted, among other things, that their arrangement is only possible at certain points or areas of the pipeline and that there may be different specific...

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    I'm in need of a proficient COMSOL user to carry out a fluid flow analysis piezoelectric simulation of a micropump. This task will require the freelancer to: - Accurately simulate the properties of a cylindrical micropump. - Analyze and report on the plot graph between applied voltage and frequency, flow rate, pressure distribution, and fluid velocity. - Apply expertise in Comsol Multiphysics to accomplish this. This project ideally suits one with extensive experience in structural mechanics, fluid dynamics and piezoelectric materials, ideally demonstrated through previous works on COMSOL or similar platforms. Detail-oriented professionals who prioritize accuracy in their simulations are strongly desired.

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    I'm currently facing an issue with my high voltage power converter. The insufficient power output and voltage instability are the primary problems hampering the device's performance. I aim to augment this converter to support a power output level of 1000W. This enhancement should resolve the aforementioned issues and provide a stable, high power output. However, changes or upgrades must not include alterations to the transformer and rectifiers (or minimal as there are space constraints) The following components are open to modifications: • Resonant component: You may consider replacing or modifying the LRC after the full bridge to deal with transformers' equivalent load and parasitic capacitors. The capacitor is estimated to be 1.7uF. • MOSFETS, F...

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    I'm requiring a skilled engineer for a project to develop a Boost Converter. Its purpose is to step up voltage from a DC input. The specifics are as follows: - Input Voltage: Ranges between 18-36V (DC) - Output Voltage: 175V The freelancer should have a strong understanding of power electronics, and be well-versed in designing and prototyping Boost Converters that can safely and efficiently handle these voltage levels. The selected candidate should also be proficient in the implementation of safety measures for high-voltage electronics to ensure reliable and safe operation. I would appreciate if interested individuals could detail their related experience in their proposals – specifically, actual design and troubleshooting experience with ...

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    Hey, I am looking for someone who will Design Hardware for ESP32 (Lighting with WS2815). I will do software by myself 1. Power Supply - Battery-operated - 2x18650 batteries connected in series - Ability to be powered by 12v (mains adapter) 2. StepUp t...- Ability to be powered by 12v (mains adapter) 2. StepUp to 12v for powering the programmable WS2815 LED strip (unless someone convinces me that it's better to use WS2813 with StepDown) - Power consumption for the LED strip, at least 50W, max ~200W - Logic level converter required from 3.3v -> 5v 3. StepDown for powering the ESP32 4. OLED display 128x64 I2C 5. Measurement of power supply voltage and power consumption 6. Power activation via a mechanical switch 7. 2x rotary encoder with button 8. Connector for pro...

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    I need an expert iOS Swift developer to create an app for Bluetooth car battery scanner. Provided: I have full figma design of attaced file and android source, but cannot send you device. You have to convert android source to ios app/ My Android App: Key App Features: - Show real-time updates on the battery's voltage - Display clear and reliable health status of the battery - Highlight current temperature of the battery Required Skills and Experience - Proficiency in Swift and iOS application development - Proven experience with Bluetooth connectivity within apps - Familiarity with car battery scanners is a plus - High attention to accuracy and detail I will do this job as followings 1. Test milestone for your skills

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    ...MySQL database) running on Azure. The API which you put in place should be designed to transmit real-time sensor data, or at a minimum data every one minute. Key Skills & Experience Needed: - Proficiency in Arduino programming - Strong understanding of MySQL - Prior experience with API creation and implementation - A solid understanding of collecting real-time data from sensors (Convert temp to voltage, gyro work etc.) This project provides an exciting opportunity to put your Arduino programming skills to use to create a seamless interface for real-time data collection. Let’s bridge the gap between hardware and software together! To be considered PLEASE in your first bid, tell me something about your arduino projects. AND tell me the maximum lenght a GOOD QUALITY ...

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    ...and produces a square wave, minV 0V, maxV 9V (depending on battery V), duty cycle ??%, frequency around 1000hz. here is the circuit reproduced on everycircuit : i need your help to modify this circuit so that : input : 9V battery (7.5V - 10.5V) output : minV 0.9V (approximately 10% of battery voltage, must stay over 0V) maxV 9V (more or less depending on the battery voltage and what V the circuit uses) square wave (must be sharp) duty cycle 90% (approximately) frequency 1000Hz (approximately) your job, if you accept it, will be : -to reproduce this circuit in your favorite simulation software and to modify it so that it produces the output / waveform that i want. -to provide a list of the components for the new circuit, with

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    ...create code for a Board game setup. Although the specific tasks were not initially laid out, the application will be used in-game environments for registering live outputs and giving a score to then be displayed on a board the development has already looked at ATMega328 the programming would be taking 20 inputs of different values from 1 to 3, initially was thinking of using hall sensors due to voltage difference and be able to show a score of all inputs on the display!. Ideal skills and experience: - Extensive experience with Arduino programming to manipulate motors, read sensor data and display relevant information. - Proven knowledge in integrating Arduino systems with game infrastructures. - Relevant past experience showcasing successful application of similar projects. ...

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    I need a voltage measurement of 4, 16, 16, voltages, in the range of 2.5V -4V, for a battery management system. The following cell voltages must be measured, compared and visualized

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